package com.hhw.dao;

import com.hhw.pojo.Department;
import com.hhw.pojo.Employee;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;

import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

//员工dao
@Repository
public class EmployeeDao {
            //模拟数据库的信息
            private static Map<Integer, Employee> employees=null;
            //员工所属的部门
            @Autowired
            private DepartmentDao departmentDao;
            static {
                employees=new HashMap<Integer, Employee>();
                employees.put(1001,new Employee(1001,"AA1","1918308849@qq.com",0,new Department(101,"教学部")));
                employees.put(1002,new Employee(1002,"AA2","1918308849@qq.com",1,new Department(102,"市场部")));
                employees.put(1003,new Employee(1003,"AA3","1918308849@qq.com",0,new Department(103,"教研部")));
                employees.put(1004,new Employee(1004,"AA4","1918308849@qq.com",1,new Department(104,"运营部")));
                employees.put(1005,new Employee(1005,"AA5","1918308849@qq.com",0,new Department(105,"后勤部")));

            }
            //主键自增
            private static Integer initId=1006;
            //增加一个员工
            public void save(Employee employee){
                if(employee.getId()==null){
                    employee.setId(initId++);
                }
                employee.setDepartment(departmentDao.getDepartmentById(employee.getDepartment().getId()));
                employees.put(employee.getId(),employee);
            }
            //查询全部员工信息
            public Collection<Employee> getAll(){
                return employees.values();
            }
            //通过id查询员工
            public Employee getEmployeeById(Integer id){
                return  employees.get(id);
            }
            //删除员工通过id
            public void delete(Integer id){
                employees.remove(id);
            }


}
